A chase cover is a custom sized roof for your chimney that keeps it from leaking through rain or snow. A leaky, unsealed chimney is a lot like a leaky roof. Chase covers protect from rot, decomposition and long term home damage.
Your chimney needs a roof that is sealed from the weather. If you have an old, rusty chase cover, get ahead of the leaks! Fill out the form below and contact The Stove Shop in Phoenixville, PA today for a free custom chase cover estimate.
A chase cover’s purpose is straightforward:
New homebuilders put this large metal pan on top of a fireplace chimney. (Often you will see a chase cover on prefabricated gas fireplace chimneys.) Over time, a chase cover will develop wear and tear. The age will show through rustlines and cracks in the metal. You should expect a pretty wide range depending on climate and roof pitch of 10-25 years in lifespan for a chimney chase cover flashing.
A chase cover works by creating a waterproof and weatherproof barrier over the entire top of the chimney chase. When properly installed, a chase cover prevents water from ever touching the chase structure or chimney components.
A correctly manufactured chase cover will have:
Prices vary based on chase size, roof height, and material. (Stainless steel is the standard because it resists corrosion and often carries a lifetime warranty.) Current price ranges for chimney chase cover replacement are:
Certified Chimney Professionals & Other Vendors
We highly recommend National Fireplace Institute Certified professionals first and foremost. The Chimney Safety Institute of America and the National Chimney Sweep Guild are also invaluable resources in the hearth industry.
No matter what you do, read reviews and get opinions from local residents in your hometown. While Google Reviews are useful, local fireplace shops are best represented by word of mouth from existing customers. Talk to your neighbors on Nextdoor and find out if they have any recommendations!
If the chase cover is rusting, sagging, or leaking, replacement is the only correct solution. There are no safe long-term alternatives to replacement.
Temporary “patching” with sealants or paints:
If significant water damage has already occurred, additional repairs may include:
Most homeowners prefer a professional to measure due to roof safety concerns and accuracy requirements.